EP3894654A4 - Ladder - Google Patents

Ladder Download PDF

Info

Publication number
EP3894654A4
EP3894654A4 EP19894846.5A EP19894846A EP3894654A4 EP 3894654 A4 EP3894654 A4 EP 3894654A4 EP 19894846 A EP19894846 A EP 19894846A EP 3894654 A4 EP3894654 A4 EP 3894654A4
Authority
EP
European Patent Office
Prior art keywords
ladder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19894846.5A
Other languages
German (de)
French (fr)
Other versions
EP3894654A1 (en
EP3894654B1 (en
Inventor
Jeremy Barker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murphy Ladder LLC
Original Assignee
Murphy Ladder LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US16/219,834 external-priority patent/US20220154530A1/en
Application filed by Murphy Ladder LLC filed Critical Murphy Ladder LLC
Priority to EP24150659.1A priority Critical patent/EP4325024A2/en
Publication of EP3894654A1 publication Critical patent/EP3894654A1/en
Publication of EP3894654A4 publication Critical patent/EP3894654A4/en
Application granted granted Critical
Publication of EP3894654B1 publication Critical patent/EP3894654B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/14—Ladders capable of standing by themselves
    • E06C1/16—Ladders capable of standing by themselves with hinged struts which rest on the ground
    • E06C1/18—Ladders capable of standing by themselves with hinged struts which rest on the ground with supporting struts formed as ladders
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/387—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders having tip-up steps
EP19894846.5A 2018-12-13 2019-12-13 Ladder Active EP3894654B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP24150659.1A EP4325024A2 (en) 2018-12-13 2019-12-13 Ladder

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16/219,834 US20220154530A1 (en) 2018-12-13 2018-12-13 Step Ladder with Hinged Rungs Operable to Collapse on Multiple Axes
US201962865185P 2019-06-22 2019-06-22
PCT/US2019/066162 WO2020123905A1 (en) 2018-12-13 2019-12-13 Ladder

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP24150659.1A Division EP4325024A2 (en) 2018-12-13 2019-12-13 Ladder

Publications (3)

Publication Number Publication Date
EP3894654A1 EP3894654A1 (en) 2021-10-20
EP3894654A4 true EP3894654A4 (en) 2022-01-19
EP3894654B1 EP3894654B1 (en) 2024-01-24

Family

ID=71077032

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19894846.5A Active EP3894654B1 (en) 2018-12-13 2019-12-13 Ladder
EP24150659.1A Pending EP4325024A2 (en) 2018-12-13 2019-12-13 Ladder

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP24150659.1A Pending EP4325024A2 (en) 2018-12-13 2019-12-13 Ladder

Country Status (5)

Country Link
EP (2) EP3894654B1 (en)
CN (2) CN117967182A (en)
CA (1) CA3123005A1 (en)
MX (1) MX2021007027A (en)
WO (1) WO2020123905A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS571298U (en) * 1980-06-02 1982-01-06
US20060032708A1 (en) * 2002-04-19 2006-02-16 Welsh Graham K Collapsible ladder
NL1039300C2 (en) * 2012-01-17 2013-07-18 Robert Dartel SHARED COMBINATION OF A UNIVERSAL BASKET WITH A TAPS-RUNNING LADDER C.Q. HOUSEHOLD STAIRS WHICH LAST EXTENDED BY THE SLIDING AND REMOVAL OF THE BORGAS AND CAN BE FITTED LADDER AGAINST A WALL OR OTHERWISE OR WORKED OUT AS HOUSEHOLD STAIR OR OTHERWISE SERVICE.
EP2878760A1 (en) * 2013-11-29 2015-06-03 Teräs-Kari OY Foldable ladder

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US295127A (en) * 1884-03-11 miller-
US4182431A (en) 1978-03-13 1980-01-08 Little Giant Industries Inc. Combination extension and step ladder rungs therefor
US4245717A (en) * 1979-08-23 1981-01-20 Soucy Donald P Fire escape ladder
US4463829A (en) * 1982-02-25 1984-08-07 Ariy Grin Foldable ladder
KR900009116Y1 (en) * 1987-06-04 1990-09-29 유희관 Ladder
DE29703876U1 (en) 1997-03-04 1998-07-02 Krause Werk Gmbh & Co Kg Extension ladder
US6536558B2 (en) * 2001-02-16 2003-03-25 Harold E. Price Folding ladder
US6886117B2 (en) 2001-11-20 2005-04-26 Hewlett-Packard Development Company, L.P. Field repairable embedded memory in system-on-a-chip
US6857503B2 (en) 2002-02-07 2005-02-22 Tricam Industries, Inc. Convertible ladder
DE60315887T2 (en) 2002-11-11 2008-05-15 Wing Enterprises, Springville KOMBLEITER, LEITERBAUTEILE AND MANUFACTURING PROCESS FOR SUCH LADDER
KR200317046Y1 (en) 2003-02-19 2003-06-25 이상규 Hinge apparatus of ladder
EP3263827B1 (en) * 2016-06-27 2019-02-27 Otis Elevator Company Locking system for foldable ladder

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS571298U (en) * 1980-06-02 1982-01-06
US20060032708A1 (en) * 2002-04-19 2006-02-16 Welsh Graham K Collapsible ladder
NL1039300C2 (en) * 2012-01-17 2013-07-18 Robert Dartel SHARED COMBINATION OF A UNIVERSAL BASKET WITH A TAPS-RUNNING LADDER C.Q. HOUSEHOLD STAIRS WHICH LAST EXTENDED BY THE SLIDING AND REMOVAL OF THE BORGAS AND CAN BE FITTED LADDER AGAINST A WALL OR OTHERWISE OR WORKED OUT AS HOUSEHOLD STAIR OR OTHERWISE SERVICE.
EP2878760A1 (en) * 2013-11-29 2015-06-03 Teräs-Kari OY Foldable ladder

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020123905A1 *

Also Published As

Publication number Publication date
EP3894654A1 (en) 2021-10-20
EP3894654B1 (en) 2024-01-24
EP4325024A2 (en) 2024-02-21
WO2020123905A1 (en) 2020-06-18
MX2021007027A (en) 2021-09-30
CN113195863A (en) 2021-07-30
CA3123005A1 (en) 2020-06-18
CN113195863B (en) 2024-02-27
CN117967182A (en) 2024-05-03

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